Joint for pin-tongues.



'No. 644,542. Patented Feb. 27, I900.

' G. H. TILFORD.

(Application filed Sept. 21, 1899.)

(No Model.)

UNITED. STATES PATENT OFFICE.

GEORGE H. TILFORD, OF PROVIDENCE, RHODE ISLAND, ASSIGNOR TO PHILIP WUNDERLE, OF SAME PLACE.

JOINT FO R PIN-TONGUES.

SPECIFICATION forming part of Letters Patent 1S0. 644,542, dated February 27, 1900.

Application filed September 21,1899. Serial No. 731,188. (No model.)

My invention consists in-the improved construction of the joint-post for the pin-tongue, whereby the action of the pin-tongue will be improved, as hereinafter fully set forth.

In the accompanying drawings, Figure 1 represents a side view of an ornamental pin provided with my improvement. Fig. 2 represents a longitudinal section of the same.

Fig. 3 represents an enlarged side view of the joint-post separate from the front plateand with the pin-tongue removed. Fig. 4 represents an edge view of the joint-post. Fig 5 represents a section taken in the line 5 50f Fig. 4. Fig. 6 represents a plan view of the attaching-base of the post. Fig. 7 represents the round wire blank from which the jointpost is formed, showing a face and edge view of the swaged post-blank.

In the drawings, A represents the front plate of an ornamental pin; B, the attached joint-post; O, the pin-tongue, and D the engaging hook for holding the end of the pintongue. The joint-post B is made of'wire struck up or swaged between two dies from a round wire blank E, as shown in Fig. 7, the said post being formed at opposite sides of the web or fin a, formed by the spreading of the surplus metal between the dies. A perforation is made at b, so that in the construction of thejoint-post B we have the circularly-formed ears 0 c, joined by the circularly-swaged connection d, which forms the pivot for the pin-tongue O, the said post being recessed at e to form the projecting lip f, which is provided with the notch 9, adapted to receive and form a bearing for the end of the wire of the pin-tongue O.

The distinguishing feature of myimprovement consists in the perforation Z7 and the circularly-swaged pivot (1, formed at the bottom of a continuous groove h, which extends fromthe perforation b at one side of the post to the perforation b at the opposite side and forming the continuous side ears 0 c, which serve to hold the pintongue loosely and guide it in the direction of the holding-hook D without liability of loose lateral movement.

I claim as my invention- The joint-post, providedwith the perforation 17, the circularly-swaged pivot d, formed at the bottom of the circular groove h, which extends from the perforation b at one side of the post to the said perforation at the opposite side, and forms the continuous ears 0 0, adapted to guide the direction of the pintongue, and the notch g at the base of the 

